public void show(View v){
Resources r = getResources();
Uri uri = Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE + "://"
+ r.getResourcePackageName(R.drawable.ic_launcher) + "/"
+ r.getResourceTypeName(R.drawable.ic_launcher) + "/"
+ r.getResourceEntryName(R.drawable.ic_launcher));
path = uri.toString();
Toast.makeText(this, path, 600).show();
ImageView img = (ImageView)findViewById(R.id.img);
img.setImageURI(Uri.parse(path));
// img.setImageResource(R.drawable.ic_launcher);
}获取res下面图片路劲
原文：http://blog.csdn.net/hyl963254113/article/details/41677349
